Analysis Overview
SHA256
c5337cfe4119c7a7f51654d3964338758a2d4cf9cf6e7288d7f3192ad92149cf
Threat Level: Known bad
The file 2024-06-13_5d303cc11e5c982a5fe6b9063913567b_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
UPX packed file
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:33
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 03:33
Reported
2024-06-13 03:36
Platform
win7-20240419-en
Max time kernel
147s
Max time network
149s
Command Line
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\asih.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d303cc11e5c982a5fe6b9063913567b_cryptolocker.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2984 wrote to memory of 2244 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d303cc11e5c982a5fe6b9063913567b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2984 wrote to memory of 2244 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d303cc11e5c982a5fe6b9063913567b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2984 wrote to memory of 2244 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d303cc11e5c982a5fe6b9063913567b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2984 wrote to memory of 2244 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d303cc11e5c982a5fe6b9063913567b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d303cc11e5c982a5fe6b9063913567b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d303cc11e5c982a5fe6b9063913567b_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
Files
memory/2984-0-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2984-1-0x00000000002D0000-0x00000000002D6000-memory.dmp
memory/2984-2-0x0000000000470000-0x0000000000476000-memory.dmp
memory/2984-9-0x00000000002D0000-0x00000000002D6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | adb7dfbf357e82b7b2a7e94f33c3787e |
| SHA1 | aea30b813582eceec8efbf87c3c7b0dcad70f0ed |
| SHA256 | 9b0e3f1ce97de435729f1c38ef76746108600e49326316ae8430629dc922224a |
| SHA512 | f2ecf428ff8c4e3a3f93c7ba2c7e705a8375867cb43b773fd5aa7e96da843e10e7c79c03e03465bbb7ef6201feabf8f899adda26ef4a9dbc9232058a87ecb5ff |
memory/2984-13-0x0000000001FE0000-0x0000000001FF0000-memory.dmp
memory/2244-17-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2984-16-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2244-19-0x0000000000460000-0x0000000000466000-memory.dmp
memory/2244-26-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2244-27-0x0000000000500000-0x000000000050F311-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:33
Reported
2024-06-13 03:36
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d303cc11e5c982a5fe6b9063913567b_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\asih.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4112 wrote to memory of 1332 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d303cc11e5c982a5fe6b9063913567b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4112 wrote to memory of 1332 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d303cc11e5c982a5fe6b9063913567b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4112 wrote to memory of 1332 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d303cc11e5c982a5fe6b9063913567b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d303cc11e5c982a5fe6b9063913567b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d303cc11e5c982a5fe6b9063913567b_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
Files
memory/4112-0-0x0000000000500000-0x000000000050F311-memory.dmp
memory/4112-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/4112-2-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/4112-9-0x00000000004D0000-0x00000000004D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | adb7dfbf357e82b7b2a7e94f33c3787e |
| SHA1 | aea30b813582eceec8efbf87c3c7b0dcad70f0ed |
| SHA256 | 9b0e3f1ce97de435729f1c38ef76746108600e49326316ae8430629dc922224a |
| SHA512 | f2ecf428ff8c4e3a3f93c7ba2c7e705a8375867cb43b773fd5aa7e96da843e10e7c79c03e03465bbb7ef6201feabf8f899adda26ef4a9dbc9232058a87ecb5ff |
memory/1332-18-0x0000000000500000-0x000000000050F311-memory.dmp
memory/4112-17-0x0000000000500000-0x000000000050F311-memory.dmp
memory/1332-20-0x0000000000660000-0x0000000000666000-memory.dmp
memory/1332-26-0x0000000000500000-0x000000000050F311-memory.dmp